Read from the World of Warcraft client build files.
How Skyborne Boots Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Skyborne Boots suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Similar Items
The 10 items nearest to Skyborne Boots (item level 13) in item level among Armor > Leather, Feet slot, from item level 11 to 20.
Blizzard numbers items as they are created, so the named items next to ID 239978 (239973 to 239983) were usually added in the same batch as Skyborne Boots: the same quest line, zone, vendor or reward set.